<html>
<head>
   <script src="../../Grid/GridE.js"> </script>
</head>
<body class="Tutorial">
   <style>
      /* Tutorial shared styles */
      .Tutorial h1,.Tutorial h2,.Tutorial ul,.Tutorial .Desc,.Tutorial .Path,.Tutorial .Xml { max-height:999999px; }
      .Tutorial h1 { font:30px Arial; padding:5px 0px 5px 0px; margin:0px; text-align:center; }
      .Tutorial h2 { font:15px Arial; padding:0px; margin:0px 0px 10px 0px; text-align:center; color:#757575; }
      .Tutorial h3,.Tutorial h4 { display:inline-block; font:bold 15px Arial; padding:0px 5px 0px 5px; border-radius:2px; color:black; margin:2px; font-style:normal; color:#333; }
      .Tutorial h3 { background:#EE9; border:1px solid #DD8; }
      .Tutorial h4 { background:#BDE; border:1px solid #ACD; }
      .Tutorial a { text-decoration:underline; }      
      .Tutorial li { padding-bottom:8px; }
      .Tutorial ul { margin:6px 0px 0px 20px; font:13px Arial; }
      .Tutorial > ul { margin-left:0px; padding-left:15px; clear:both; }
      .Tutorial ul b { color:#0585B9; }
      .Tutorial .Path { font:normal 12px Arial; color:#0585B9; }
      .Tutorial .Path b { color:#D73938; }
      .Tutorial .Path u { text-decoration:none; color:black; font-weight:bold; padding:0px 2px 0px 2px; }
      .Tutorial .Xml { margin-bottom:6px; font-size:12px; color:#757575; }
      .Tutorial .Border { border:1px solid #dfdfdf; padding:10px 20px 10px 20px; margin:0px 8px 20px 0px; min-width:100%; box-sizing:border-box; }
      .Tutorial .Main { }
   </style>

   <center class="Path"><script>document.write(location.href.replace(/(.*)(\/Tutorials\/)([^\/]+)\/([^\/]+)$/,"$2<b>$3</b>/$4").replace(/([^<]|^)(\/|\.)/g,"$1<u>$2</u>"));</script></center>
   <h1>4. Critical path</h1>
   <h2>Computing task slack and showing critical path in chart</h2>

   <center class="Border" id="Border">
      <div class="Xml">Source: <a href='04-Critical_path.js'>04-Critical_path.js</a></div>
      <div class="Main" style='width:100%; height:704px;'>
         <bdo Debug='check' Data_Url='04-Critical_path.js'></bdo>
      </div>
   </center>

   <ul>
      <li>
         See documentation for <b><a href="../../Doc/GanttCompute.htm#critical">Critical path</a></b>.
      </li>
      <li> 
         The critical path can be shown if a column is assigned to <h3>GanttSlack</h3>.
      </li>
      <li>
         The <b>Slack</b> value means how much can be the task moved to future (delayed) to not affect project finish date.<br />
         The tasks that cannot be moved at all are <b>critical</b> and lay on <b>critical path</b>.<br />
         The critical tasks are colored in different color (orange by default) and it is also possible to filter by them to show only the critical path.<br />
      </li>
      <li>
         Attribute <h3>GanttMinSlack</h3> sets minimal value of the Slack to be the task included in critical path.
      </li>
      <li>
         Task with Slack value less than <h3>GanttErrSlack</h3> are marked as error and colored in different color (red by default).<br />
         The GanttErrSlack value should be less or equal to GanttMinSlack.
      </li>
      <li>
         The finish date is end date of the most right task or it can be defined by <h3>GanttFinish</h3>.
      </li>
      <li>
         If set <h3>GanttSeparateSlack</h3><b>='1'</b> the Slack value is calculated for every group of tasks separately.<br />
         The group of tasks are all tasks linked with some dependency.<br />
         In this case is the global GanttFinish ignored.
      </li>
   </ul>

   <!-- Google Analytics code run once for trial -->
   <script>
      var TGTrial = document.cookie.match(/TGTrialGantt\s*=\s*(\d+)/), TGIndex = 16;
      if(!TGTrial||!(TGTrial[1]&TGIndex)) setTimeout(function(){
         var n = "RunTrialGridDependencies4", d = (new Date((new Date).getTime()+31536000000)).toUTCString(); document.cookie = "TGTrialGantt="+((TGTrial?TGTrial[1]:0)|TGIndex)+";expires="+d;
         var u = document.cookie.match(/TGTrialUsed\s*=\s*(\d+)/); u = u ? u[1]-0+1 : 1; if(u<=11) document.cookie = "TGTrialUsed="+u+";path=/;expires="+d;
         var s = "<div style='width:0px;height:0px;overflow:hidden;'><iframe src='http"+(document.location.protocol=="https"?"s":"")+"://www.treegrid.com/Stat/GA.html?productName="
               +(u==1||u==3||u==5||u==10?"UsedTrial"+u:n)+"' onload='var T=this;setTimeout(function(){document.body.removeChild(T.parentNode.parentNode);},1000);'/></div>";
         var F = document.createElement("div"); F.innerHTML = s; document.body.appendChild(F);
         },100);
   </script>
</body>
</html>